this is john's signature, xxo. >> these are haunting. these are notes that dave powers wrote up for the trip to dallas in november. it includes notations after the president was assassinated. >> minute by minute. it's just so earth shatteringly -- chills you to the bone when you read it. >> the last entry my president is dead. >> yes. the president before he died and was inhe hospital, you open it up. open the first page says dave powers, the president was going to give you this and you can basically read it, but the key to it is that you and i will miss him the most, signed jackie. this was the day after he was murdered. look at our website and you will find all the information you need. you can bid right from your computer at home. >> dan, thank you very much. >> thank you. >> fascinating items. >> thank you. >> the auction will be held february 17th. >>> coming up, whitney houston's mom, cissy, talks candidly in a live interview about her daughter's struggles with drug addiction and their sometimes troubled relationship. but first the